Shimano UN55 Square Taper English Threaded Bottom Bracket

Shimano UN55 Square Taper English Threaded Bottom Bracket
$38.99
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Details

Shimano's BB-UN55 Square Spindle Bottom Brackets are the unofficial standard for English-threaded cartridge bottom brackets. Quality, value, and durability come together to keep you cranking for many, many miles.

- Fits JIS Square-Taper Cranksets
- Hollow spindle
- Crankarm fixing bolts not included

Part Numbers

Option UPC MPN Store SKU
73 x 118mm 689228778733 EBBUN55C18 CAR78221127K
68 x 118mm 689228778795 EBBUN55B18 CAR78190245K
68 x 122.5mm 689228778870 EBBUN55B22 BOT596752576